by Software 4 Crystallography, Dusan and Dragica Turk, d.n.o. Povsetova 33 1000 Ljubljana Slovenia The following two parties, S4C d.n.o. Ljubljana, as licensor and .......... as licensee, agree to the following conditions for use of the computer software MAIN (copyright by S4C d.n.o. Ljubljana) and the accompanying programs: This license agreement is valid when signed by both parties and the license fee (4000 EURO for Europe and 5000 USD for the rest of the world) has been paid. (1) The licensee may not sell, give, or otherwise distribute the licensed software in any form to any other person or institution. (2) The program(s) will be used at locations with the above specified postal address only on computers with the first 3 TCP/IP numbers equal to: ..................... and corresponding to the local domain name: ..................... The license is otherwise valid for unlimited numbers and types of computers. (3) The licensor agrees to provide software maintenance during period of one year, starting from the date when the first license agreement was signed. Software maintenance includes upgrades of software, bug removal and customer support for program use. After this period an additional license agreement must be signed for continued use and software support. (4) The program MAIN will be cited in any publication of scientific results where it was applied. The current reference is: D. Turk: Ph.D. Thesis, 1992, TU Muenchen. (5) Suspected program bugs will be reported to the author. (6) The licensor is not liable for any mistake(s) or any possible damage caused by the program(s) usage, including when they are result of a program bug. Name, postal and e-mail address of the responsible scientist: Date, Signature: For S4C d.n.o. Ljubljana Dusan Turk